You can enter the registration number of the trademark, the name of the applicant of the trademark and other information on China Trademark Online for inquiry. Or you can call the State Trademark Office directly, or you can enter the trademark you want to authenticate. Only the trademarks that have been certified or registered for more than 6 months can find the relevant information for authentication. You can also help you verify the authenticity of the trademark through our customer service to buy the trademark.